Characteristics Of Laser Diodes And Picture Quality

Toshihiko Gotoh; Masahiro Ojima; Akira Arimoto; Naoki Chinone

doi:10.1117/12.933375

27 May 1982 Characteristics Of Laser Diodes And Picture Quality

Toshihiko Gotoh, Masahiro Ojima, Akira Arimoto, Naoki Chinone

Proceedings Volume 0329, Optical Disk Technology; (1982) https://doi.org/10.1117/12.933375
Event: 1982 Los Angeles Technical Symposium, 1982, Los Angeles, United States

Abstract

Relationships of laser diodes' (LD's) noise and reproduced video picture quality are experimentally studied. Single longitudinal mode LDs usually gave acceptable quality, but when these LD's oscillating mode transit to another state through quasi-multi mode, bright spots randomly appeared on the picture. When using multi longitudinal mode LDs, the picture quality were slightly poor and unacceptable, but did not show drastic degradations at any temperature. It was found that good quality of the picture required the LD's RIN to be less than 10 -14 level.

Citation Download Citation

Toshihiko Gotoh, Masahiro Ojima, Akira Arimoto, and Naoki Chinone "Characteristics Of Laser Diodes And Picture Quality", Proc. SPIE 0329, Optical Disk Technology, (27 May 1982); https://doi.org/10.1117/12.933375

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